ASSOCIATED ELECTRIC COOPERATIVE, INC.

NPDES permit MO0003948 · Major NON-POTW · effective, expires 2030-11-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 84 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among MO permits in EPA's filings — check your permit).

Limits in force (210)

OutfallParameterStatisticLimitMonths
007Sulfate [as S]DAILY MX report only all year
007Sulfate [as S]MO AVG report only all year
007Oxygen, dissolved [DO]DAILY MN report only all year
007Oxygen, dissolved [DO]MO AVG report only all year
007pHMINIMUM >= 6.5 SU all year
007pHMAXIMUM <= 9 SU all year
007Alkalinity, total [as CaCO3]DAILY MX report only all year
007Alkalinity, total [as CaCO3]MO AVG report only all year
007Solids, total suspendedDAILY MX <= 70 mg/L all year
007Solids, total suspendedMO AVG <= 35 mg/L all year
007Solids, settleableDAILY MX <= .5 mL/L all year
007Solids, settleableMO AVG report only all year
007Iron, dissolved [as Fe]DAILY MX report only all year
007Iron, dissolved [as Fe]MO AVG report only all year
007Manganese, dissolved [as Mn]DAILY MX report only all year
007Manganese, dissolved [as Mn]MO AVG report only all year
007ChlorideDAILY MX report only all year
007ChlorideMO AVG report only all year
007Solids, total dissolvedDAILY MX report only all year
007Solids, total dissolvedMO AVG report only all year
007Storm water flowDAILY MX report only all year
007Storm water flowMO AVG report only all year
007AcidityDAILY MX report only all year
007AcidityMO AVG report only all year
007Chlorides + SulfatesDAILY MX report only all year
007Chlorides + SulfatesMO AVG report only all year
008Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
008Oxygen demand, chem. [high level] [COD]MO AVG report only all year
008pHMINIMUM >= 6.5 SU all year
008pHMAXIMUM <= 9 SU all year
008Solids, total suspendedDAILY MX <= 100 mg/L all year
008Solids, total suspendedMO AVG report only all year
008Oil and grease [soxhlet extr.] tot.DAILY MX <= 15 mg/L all year
008Oil and grease [soxhlet extr.] tot.MO AVG <= 10 mg/L all year
008Storm water flowDAILY MX report only all year
008Storm water flowMO AVG report only all year
032Sulfate [as S]DAILY MX report only all year
032Sulfate [as S]MO AVG report only all year
032Oxygen, dissolved [DO]DAILY MN report only all year
032Oxygen, dissolved [DO]MO AVG report only all year
032Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
032Oxygen demand, chem. [high level] [COD]MO AVG report only all year
032pHMINIMUM >= 6.5 SU all year
032pHMAXIMUM <= 9 SU all year
032Alkalinity, total [as CaCO3]DAILY MX report only all year
032Alkalinity, total [as CaCO3]MO AVG report only all year
032Solids, total suspendedDAILY MX <= 70 mg/L all year
032Solids, total suspendedMO AVG <= 35 mg/L all year
032Solids, settleableDAILY MX <= .5 mL/L all year
032Solids, settleableMO AVG report only all year
032Iron, dissolved [as Fe]DAILY MX report only all year
032Iron, dissolved [as Fe]MO AVG report only all year
032Manganese, dissolved [as Mn]DAILY MX report only all year
032Manganese, dissolved [as Mn]MO AVG report only all year
032ChlorideDAILY MX report only all year
032ChlorideMO AVG report only all year
032Solids, total dissolvedDAILY MX report only all year
032Solids, total dissolvedMO AVG report only all year
032Storm water flowDAILY MX report only all year
032Storm water flowMO AVG report only all year
032AcidityDAILY MX report only all year
032AcidityMO AVG report only all year
032Chlorides + SulfatesDAILY MX report only all year
032Chlorides + SulfatesMO AVG report only all year
035Sulfate [as S]DAILY MX report only all year
035Sulfate [as S]MO AVG report only all year
035Oxygen, dissolved [DO]DAILY MN report only all year
035Oxygen, dissolved [DO]MO AVG report only all year
035Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
035Oxygen demand, chem. [high level] [COD]MO AVG report only all year
035pHMINIMUM >= 6.5 SU all year
035pHMAXIMUM <= 9 SU all year
035Alkalinity, total [as CaCO3]DAILY MX report only all year
035Alkalinity, total [as CaCO3]MO AVG report only all year
035Solids, total suspendedDAILY MX <= 70 mg/L all year
035Solids, total suspendedMO AVG <= 35 mg/L all year
035Solids, settleableDAILY MX <= .5 mL/L all year
035Solids, settleableMO AVG report only all year
035Selenium, total recoverableDAILY MX report only all year
035Selenium, total recoverableMO AVG report only all year
035Boron, total recoverableDAILY MX report only all year
035Boron, total recoverableMO AVG report only all year
035Iron, dissolved [as Fe]DAILY MX report only all year
035Iron, dissolved [as Fe]MO AVG report only all year
035Manganese, dissolved [as Mn]DAILY MX report only all year
035Manganese, dissolved [as Mn]MO AVG report only all year
035ChlorideDAILY MX report only all year
035ChlorideMO AVG report only all year
035Solids, total dissolvedDAILY MX report only all year
035Solids, total dissolvedMO AVG report only all year
035Storm water flowDAILY MX report only all year
035Storm water flowMO AVG report only all year
035AcidityDAILY MX report only all year
035AcidityMO AVG report only all year
035Chlorides + SulfatesDAILY MX report only all year
035Chlorides + SulfatesMO AVG report only all year
039Sulfate [as S]DAILY MX report only all year
039Sulfate [as S]MO AVG report only all year
039Oxygen, dissolved [DO]DAILY MN report only all year
039Oxygen, dissolved [DO]MO AVG report only all year
039pHMINIMUM >= 6.5 SU all year
039pHMAXIMUM <= 9 SU all year
039Alkalinity, total [as CaCO3]DAILY MX report only all year
039Alkalinity, total [as CaCO3]MO AVG report only all year
039Solids, total suspendedDAILY MX <= 70 mg/L all year
039Solids, total suspendedMO AVG <= 35 mg/L all year
039Solids, settleableDAILY MX <= .5 mL/L all year
039Solids, settleableMO AVG report only all year
039Iron, dissolved [as Fe]DAILY MX report only all year
039Iron, dissolved [as Fe]MO AVG report only all year
039Manganese, dissolved [as Mn]DAILY MX report only all year
039Manganese, dissolved [as Mn]MO AVG report only all year
039ChlorideDAILY MX report only all year
039ChlorideMO AVG report only all year
039Solids, total dissolvedDAILY MX report only all year
039Solids, total dissolvedMO AVG report only all year
039Storm water flowDAILY MX report only all year
039Storm water flowMO AVG report only all year
039AcidityDAILY MX report only all year
039AcidityMO AVG report only all year
039Chlorides + SulfatesDAILY MX report only all year
039Chlorides + SulfatesMO AVG report only all year
040Sulfate [as S]DAILY MX report only all year
040Sulfate [as S]MO AVG report only all year
040Oxygen, dissolved [DO]DAILY MN report only all year
040Oxygen, dissolved [DO]MO AVG report only all year
040pHMINIMUM >= 6.5 SU all year
040pHMAXIMUM <= 9 SU all year
040Alkalinity, total [as CaCO3]DAILY MX report only all year
040Alkalinity, total [as CaCO3]MO AVG report only all year
040Solids, total suspendedDAILY MX <= 70 mg/L all year
040Solids, total suspendedMO AVG <= 35 mg/L all year
040Solids, settleableDAILY MX <= .5 mL/L all year
040Solids, settleableMO AVG report only all year
040Iron, dissolved [as Fe]DAILY MX report only all year
040Iron, dissolved [as Fe]MO AVG report only all year
040Manganese, dissolved [as Mn]DAILY MX report only all year
040Manganese, dissolved [as Mn]MO AVG report only all year
040ChlorideDAILY MX report only all year
040ChlorideMO AVG report only all year
040Solids, total dissolvedDAILY MX report only all year
040Solids, total dissolvedMO AVG report only all year
040Storm water flowDAILY MX report only all year
040Storm water flowMO AVG report only all year
040AcidityDAILY MX report only all year
040AcidityMO AVG report only all year
040Chlorides + SulfatesDAILY MX report only all year
040Chlorides + SulfatesMO AVG report only all year
048Sulfate [as S]DAILY MX report only all year
048Sulfate [as S]MO AVG report only all year
048Oxygen, dissolved [DO]DAILY MN report only all year
048Oxygen, dissolved [DO]MO AVG report only all year
048Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
048Oxygen demand, chem. [high level] [COD]MO AVG report only all year
048pHMINIMUM >= 6.5 SU all year
048pHMAXIMUM <= 9 SU all year
048Alkalinity, total [as CaCO3]DAILY MX report only all year
048Alkalinity, total [as CaCO3]MO AVG report only all year
048Solids, total suspendedDAILY MX <= 70 mg/L all year
048Solids, total suspendedMO AVG <= 35 mg/L all year
048Solids, settleableDAILY MX <= .5 mL/L all year
048Solids, settleableMO AVG report only all year
048Iron, dissolved [as Fe]DAILY MX report only all year
048Iron, dissolved [as Fe]MO AVG report only all year
048Manganese, dissolved [as Mn]DAILY MX report only all year
048Manganese, dissolved [as Mn]MO AVG report only all year
048ChlorideDAILY MX report only all year
048ChlorideMO AVG report only all year
048Solids, total dissolvedDAILY MX report only all year
048Solids, total dissolvedMO AVG report only all year
048Storm water flowDAILY MX report only all year
048Storm water flowMO AVG report only all year
048AcidityDAILY MX report only all year
048AcidityMO AVG report only all year
048Chlorides + SulfatesDAILY MX report only all year
048Chlorides + SulfatesMO AVG report only all year
065Sulfate [as S]DAILY MX report only all year
065Sulfate [as S]MO AVG report only all year
065Oxygen, dissolved [DO]DAILY MN report only all year
065Oxygen, dissolved [DO]MO AVG report only all year
065Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
065Oxygen demand, chem. [high level] [COD]MO AVG report only all year
065pHMINIMUM >= 6.5 SU all year
065pHMAXIMUM <= 9 SU all year
065Alkalinity, total [as CaCO3]DAILY MX report only all year
065Alkalinity, total [as CaCO3]MO AVG report only all year
065Solids, total suspendedDAILY MX <= 70 mg/L all year
065Solids, total suspendedMO AVG <= 35 mg/L all year
065Solids, settleableDAILY MX <= .5 mL/L all year
065Solids, settleableMO AVG report only all year
065Selenium, total recoverableDAILY MX report only all year
065Selenium, total recoverableMO AVG report only all year
065Boron, total recoverableDAILY MX report only all year
065Boron, total recoverableMO AVG report only all year
065Iron, dissolved [as Fe]DAILY MX report only all year
065Iron, dissolved [as Fe]MO AVG report only all year
065Manganese, dissolved [as Mn]DAILY MX report only all year
065Manganese, dissolved [as Mn]MO AVG report only all year
065ChlorideDAILY MX report only all year
065ChlorideMO AVG report only all year
065Solids, total dissolvedDAILY MX report only all year
065Solids, total dissolvedMO AVG report only all year
065Storm water flowDAILY MX report only all year
065Storm water flowMO AVG report only all year
065AcidityDAILY MX report only all year
065AcidityMO AVG report only all year
065Chlorides + SulfatesDAILY MX report only all year
065Chlorides + SulfatesMO AVG report only all year
100FreeboardDAILY MN >= 2 ft all year
100FreeboardMO AVG report only all year

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